The correct answer is All of the above. Explanation & Key Takeaways: • Urbanization: • In the last two decades, many big cities have emerged as the world’s economic platforms for production, innovation, and trade in India. • Urbanization has helped millions of people to escape from poverty through increased productivity, but it is not sufficient. • Urbanization has also caused many Socio-Economic challenges due to: • The sheer magnitude of the urban population. • Unplanned growth of urban areas. • A lack of infrastructure is also the main cause of such a situation. • Existence of the unorganised sectors. Important Notes: • Urbanization has also caused many Socio-Economic challenges due to: • Overcrowding: • The urban population of India had already crossed the 285 million mark by 2001. • By 2030, more than 50 percent of India’s population is expected to live in urban areas. • Poverty: • Due to urban poverty Street vendors and people in other informal sectors, women, children, and the old age population will suffer most.